Length
Millimeter vs Centimeter vs Inch
Quick reference table for unit conversions with key differences.
Reference Table
| Millimetermm | Centimetercm | Inchin |
|---|---|---|
| 0.5 | 0.05 | 0.01968504 |
| 1 | 0.1 | 0.03937008 |
| 2 | 0.2 | 0.07874016 |
| 5 | 0.5 | 0.1968504 |
| 10 | 1 | 0.3937008 |
| 25 | 2.5 | 0.984252 |
| 50 | 5 | 1.968504 |
| 100 | 10 | 3.937008 |
| 500 | 50 | 19.68504 |
| 1000 | 100 | 39.37008 |
About These Units
mm
Millimeter
Symbol: mm
The millimeter is one thousandth of a meter. Used in engineering, manufacturing, and for precise measurements.
Used in: Worldwide
cm
Centimeter
Symbol: cm
The centimeter is one hundredth of a meter. Commonly used for body measurements, clothing sizes, and small objects.
Used in: Worldwide
in
Inch
Symbol: in
The inch equals 2.54 centimeters. Used for screen sizes, paper dimensions, and small measurements in the US.
Used in: United States, United Kingdom
Key Differences
- 1 mm is equal to 0.1 cm.
- 1 mm is equal to 0.03937008 in.
- 1 cm is equal to 0.3937008 in.